2766890448 has 320 divisors, whose sum is σ = 9427968000. Its totient is φ = 776442240.

The previous prime is 2766890443. The next prime is 2766890459. The reversal of 2766890448 is 8440986672.

2766890448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2766890394 and 2766890403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766890443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10520365 + ... + 10520627.

It is an arithmetic number, because the mean of its divisors is an integer number (29462400).

Almost surely, 2^2766890448 is an apocalyptic number.

2766890448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2766890448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4713984000).

2766890448 is an abundant number, since it is smaller than the sum of its proper divisors (6661077552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2766890448 is a wasteful number, since it uses less digits than its factorization.

2766890448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 2766890448 is about 52601.2399853844. The cubic root of 2766890448 is about 1403.8821582737.

The spelling of 2766890448 in words is "two billion, seven hundred sixty-six million, eight hundred ninety thousand, four hundred forty-eight".